3990554344 has 128 divisors (see below), whose sum is σ = 9249408000. Its totient is φ = 1576226304.

The previous prime is 3990554333. The next prime is 3990554353. The reversal of 3990554344 is 4434550993.

It is a junction number, because it is equal to n+sod(n) for n = 3990554294 and 3990554303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6446467 + ... + 6447085.

It is an arithmetic number, because the mean of its divisors is an integer number (72261000).

Almost surely, 2^3990554344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3990554344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4624704000).

3990554344 is an abundant number, since it is smaller than the sum of its proper divisors (5258853656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3990554344 is a wasteful number, since it uses less digits than its factorization.

3990554344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The square root of 3990554344 is about 63170.8345995207. The cubic root of 3990554344 is about 1586.1505634548.

It can be divided in two parts, 39905 and 54344, that added together give a palindrome (94249).

The spelling of 3990554344 in words is "three billion, nine hundred ninety million, five hundred fifty-four thousand, three hundred forty-four".